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60 stories for“dive training”
CO2 tables build genuine breath hold tolerance over weeks. Hyperventilating beforehand does the opposite of what beginners think it does, and it has killed trained divers.
Sep 2, 2025
Technical diving begins the moment a diver can no longer go straight to the surface. Here is how training builds toward that shift, one course at a time.
Dec 5, 2025
The east coast has the depth, the Gulf side has the pools, and summer changes the answer entirely. A practical guide to training here across the year rather than flying to Dahab every time.
Aug 13, 2026
Dahab's Blue Hole draws freedivers year round for a reason: shore access to real depth, warm water, forgiving conditions and an established training community.
Nov 14, 2025
Two tables, two different adaptations, and a hard rule about where you do them. One trains tolerance to discomfort, the other trains efficiency at low oxygen, and confusing them wastes weeks.
Aug 12, 2026
In the late 1980s, teaching recreational divers to breathe enriched air was close to heresy. IANTD taught it anyway, then built the trimix and rebreather syllabi much of technical diving still runs on.
Aug 12, 2026
A rebreather trades noisy bubbles for silent, efficient diving, but it also trades forgiveness for discipline. Here is what changes underwater.
Apr 15, 2025
The records look impossible until you learn what the body does when the face hits cold water. Most of the gain is physiological adaptation and relaxation, not lung size, and one record category is not comparable to the others.
Aug 11, 2026
A sunken ship draws every diver's curiosity, but the line between a safe swim-through and a genuine penetration dive is stricter than it looks.
Jun 25, 2025
HEAD rescued Aqualung out of receivership with a 50 million euro package. The result is a single group holding four of diving's best known equipment names and SSI, the agency that certifies divers to use them.
Aug 18, 2026
Scuba has real hazards, but recreational diving within training and conditions is a managed-risk activity, not the extreme gamble suggested by rare accident headlines.
Jul 25, 2026
Research divers work under formal scientific diving safety standards, but a marine science background does not make deep or technical diving inherently safer to attempt.
Jun 14, 2026
Submersion triggers an ancient reflex that slows the heart, redirects blood, and quietly reshapes what a trained freediver's body can survive underwater.
Sep 18, 2024
The world's largest training agency is also the most argued about. Setting the snobbery aside, here is what a PADI course actually mandates, where the flexibility sits, and what the card does not cover.
Aug 12, 2026
The world's deepest pool holds 14 million litres at a constant 30C, with a sunken city at the bottom. What it removes from diving turns out to be the interesting part.
Aug 6, 2026
An Open Water card opens the door to diving worldwide, but it is a narrower licence than most new divers assume. Here is exactly what it covers.
Sep 9, 2025
Cave diving safety rests on a small set of hard rules built from decades of accident analysis. Here is what those rules are and why the sport enforces them so strictly.
Jun 2, 2026
Deep water a short swim from shore, no boat, no current and warm all year. Dahab's geography explains its status, and the same geography is why the Blue Hole has the reputation it has.
Aug 9, 2026
Older than PADI, structured as a non-profit membership association, and built on a principle almost nobody else uses: the instructor may exceed the standards, and is expected to.
Aug 12, 2026
Global Underwater Explorers standardises equipment, teaches in teams, tests fitness, and hands out provisional passes rather than certificates. It is the most divisive system in diving, and the most internally consistent.
Aug 12, 2026
The agencies argue endlessly and the accident data barely distinguishes between them. Here is what genuinely differs, what does not, and the questions to ask a dive centre before you pay.
Aug 13, 2026
Scuba Schools International built its model around the store rather than the individual teacher, gave its digital learning away, and quietly became the main alternative to PADI in most of the world.
Aug 12, 2026
A flooded mask is a nuisance to a diver who has cleared a hundred and a crisis to one who cleared three on the course. The difference is not technique. It is how many times the reflex has been overridden.
Oct 10, 2023
A training dive off Punta Chiappa found nine amphorae below 40 metres, a site reported by a diving pioneer in 1959 and then lost. Archaeologists call the link a hypothesis that still needs proving.
Oct 28, 2026
Aqaba Blue: Ocean Future in Action runs September 9-12 with diving, conservation, marine technology and tourism. Its value will depend on turning networking into regional practice.
Aug 2, 2026
Five Italian divers and a Maldivian rescuer died in May. A manslaughter file is open in Rome, a liveaboard lost its permit, and the Maldives is writing technical diving law. A follow-up assessment.
Aug 12, 2026
Compact geography, shore access, wrecks and a new six-person hyperbaric unit make Gozo an unusually practical Mediterranean base for a mixed-experience dive trip.
Jul 25, 2026
A 227,000 dollar Ambassadors Fund grant will train three village monitoring groups in Banten to guard the 1942 heavy cruiser, a war grave that has lost its bell, hull plates and rivets to looters.
Nov 3, 2026
Egypt's most famous sinkhole is also its most argued-over dive site. What the Blue Hole actually is, and why so much depends on who is diving it.
May 20, 2024
Shallow water blackout does not warn its victim first. Here is the physiology behind it, why it strikes trained divers, and why solo breath hold diving is never safe.
Jun 10, 2024
The dive industry's annual trade show runs 3 to 6 November at the Ernest N. Morial Convention Center, with more than 500 exhibitors, Huish Outdoors back on the floor and launches already queued.
Nov 3, 2026
A cave in the Maldives, a lake in Germany, an inlet in Florida, a tuna farm off Malta. Four very different events, and a short list of factors that shows up in nearly all of them.
Aug 13, 2026
Oxygen keeps divers alive, until pressure turns it toxic. Here is why central nervous system oxygen toxicity shapes every gas decision in technical diving.
Sep 10, 2024
Nitrogen narcosis dulls judgment before a diver notices anything is wrong. Here is why depth impairs decision making, and why self-diagnosis often fails.
May 22, 2024
Okaloosa County says the 990-foot liner will go down off the Florida Panhandle in the second week of November. The upper decks sit in recreational range, the hull does not.
Oct 16, 2026
Divers Alert Network is not a training agency and issues no certifications. It collects the injury data, then publishes guidance based on it. Here is that guidance, in the order it matters.
Aug 12, 2026
Two depth marks fell at the AIDA world championships in Cyprus, one in constant weight for men and one in free immersion for women. Both still await ratification.
Oct 10, 2026
Breathe-up, diaphragmatic breathing and the recovery breath are the three that matter. Hyperventilation is the one that removes your warning that you are about to black out.
Aug 10, 2026
When a diver surfaces with decompression sickness, a hyperbaric chamber is the only real fix. Here is how recompression works, and where chambers actually are.
Nov 18, 2024
NOAA teams outplanted corals at 66 meters during a 2026 Gulf mission. The work shows how advanced diving and laboratory science can restore difficult deep habitats.
Aug 2, 2026
Technical diving instructor Adam Jacoub died on 18 July 2026 following a dive in Hurghada, Egypt. The circumstances remain under investigation.
Jul 20, 2026
A Chinese instructor says three divers pushed and grabbed him at 18 metres on a crowded South Ari Atoll reef, one reaching for his mask and regulator. The boating association wants an inquiry.
Nov 4, 2026
Spearfishing shares its breath hold physiology with freediving, but a hunting mindset changes the risk calculation entirely, and blackout remains the top cause of death.
Apr 8, 2026
Two agencies now certify divers to dive alone, with redundant gas and a long list of prerequisites. The case for it rests on an uncomfortable observation about how often the buddy system already fails in practice.
Sep 5, 2026
A woman and her partner, both long-serving members of the European technical community, did not survive an emergency ascent near Ueberlingen on 2 August. The cause is still unknown.
Aug 5, 2026
Three Egyptian dive bases, three different Red Seas. Here is what Hurghada, Sharm el-Sheikh and Dahab each actually deliver underwater.
Feb 14, 2024
After hurricanes Lala and Lowell, Hawaii's emergency reef network is reattaching broken coral with cement and steel frames, and a Kauai response targeted more than 2,000 colonies before they died.
Oct 25, 2026
Nine volunteer technical divers spent seven years searching, then dived to the wreck of the Canadian ship sunk by U-1230 with 43 lives lost, days after the same U-boat landed two spies.
Oct 30, 2026
MNDF Sergeant Major Mohamed Mahudhee died searching a Maldives cave for five missing divers. His death shows the risk that recovery divers accept on behalf of strangers.
May 24, 2026
Fluid can flood the lungs of a fit, healthy diver in cold or calm water alike. What immersion pulmonary edema is, who gets it and why mild symptoms should never be shrugged off.
Oct 17, 2026
DAN's annual diving reports track how divers die each year, and the leading cause is rarely the dramatic equipment failure popular imagination assumes it to be.
Jun 19, 2026
The old assumption was that one breath cannot load enough nitrogen to matter. Repetitive deep dives with short surface intervals disprove it, and the divers it happens to are usually working, not competing.
Aug 12, 2026
A small genre with a heavy subject. These are the documentaries and features that actually explain the sport, including the ones that handle its deaths honestly rather than as spectacle.
Aug 11, 2026
The PROTECT package treats drowning as a systems failure involving childcare, transport, infrastructure, rescue and climate preparation, not a single bad choice.
Jul 23, 2026
Overweighting is the most common equipment error in freediving and the one with the worst failure mode. The rule is simple: neutral at ten metres, positive above it, and the surface is where it matters.
Aug 11, 2026
Sami Paakkarinen, Jenni Westerlund and Patrik Grönqvist received Italian state honours for a recovery mission defined by preparation, restraint and humanity.
Jul 25, 2026
Budapest and Novi Sad staged world championships nine days apart under rival federations. Four AIDA world records fell, then CMAS records fell again, often to the same athletes.
Aug 4, 2026
Safety divers, counterballast lines and strict medical protocol turned a high risk sport into one of the most closely supervised in the water.
Mar 11, 2025
One demands breath control and stillness, the other demands equipment discipline. Here is what separates them and where beginners should start.
Jun 24, 2025
